[**brk-client**](../README.md) *** [brk-client](../globals.md) / MetricEndpointBuilder # Interface: MetricEndpointBuilder\ Defined in: [Developer/brk/modules/brk-client/index.js:967](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L967) ## Type Parameters ### T `T` ## Properties ### fetch() > **fetch**: (`onUpdate?`) => `Promise`\<[`MetricData`](MetricData.md)\<`T`\>\> Defined in: [Developer/brk/modules/brk-client/index.js:973](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L973) Fetch all data #### Parameters ##### onUpdate? (`value`) => `void` #### Returns `Promise`\<[`MetricData`](MetricData.md)\<`T`\>\> *** ### fetchCsv() > **fetchCsv**: () => `Promise`\<`string`\> Defined in: [Developer/brk/modules/brk-client/index.js:974](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L974) Fetch all data as CSV #### Returns `Promise`\<`string`\> *** ### first() > **first**: (`n`) => [`RangeBuilder`](RangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:970](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L970) Get first n items #### Parameters ##### n `number` #### Returns [`RangeBuilder`](RangeBuilder.md)\<`T`\> *** ### get() > **get**: (`index`) => [`SingleItemBuilder`](SingleItemBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:968](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L968) Get single item at index #### Parameters ##### index `number` #### Returns [`SingleItemBuilder`](SingleItemBuilder.md)\<`T`\> *** ### last() > **last**: (`n`) => [`RangeBuilder`](RangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:971](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L971) Get last n items #### Parameters ##### n `number` #### Returns [`RangeBuilder`](RangeBuilder.md)\<`T`\> *** ### path > **path**: `string` Defined in: [Developer/brk/modules/brk-client/index.js:976](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L976) The endpoint path *** ### skip() > **skip**: (`n`) => [`SkippedBuilder`](SkippedBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:972](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L972) Skip first n items, chain with take() #### Parameters ##### n `number` #### Returns [`SkippedBuilder`](SkippedBuilder.md)\<`T`\> *** ### slice() > **slice**: (`start?`, `end?`) => [`RangeBuilder`](RangeBuilder.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:969](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L969) Slice like Array.slice #### Parameters ##### start? `number` ##### end? `number` #### Returns [`RangeBuilder`](RangeBuilder.md)\<`T`\> *** ### then > **then**: [`Thenable`](../type-aliases/Thenable.md)\<`T`\> Defined in: [Developer/brk/modules/brk-client/index.js:975](https://github.com/bitcoinresearchkit/brk/blob/54827cd0a2357417adb8631eb8f53a78e848b39a/modules/brk-client/index.js#L975) Thenable (await endpoint)